llvm/test/CodeGen/AMDGPU/indirect-addressing-si.ll

; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MOVREL,PREGFX9 %s
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,MOVREL,PREGFX9 %s
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -amdgpu-vgpr-index-mode -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,IDXMODE,PREGFX9 %s
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=gfx900 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,IDXMODE,GFX9 %s

; Tests for indirect addressing on SI, which is implemented using dynamic
; indexing of vectors.

; GCN-LABEL: {{^}}extract_w_offset:
; GCN-DAG: s_load_dword [[IN:s[0-9]+]]
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 4.0
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x40400000
; GCN-DAG: v_mov_b32_e32 [[BASEREG:v[0-9]+]], 2.0
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 1.0

; MOVREL-DAG: s_mov_b32 m0, [[IN]]
; MOVREL: v_movrels_b32_e32 v{{[0-9]+}}, [[BASEREG]]

; IDXMODE: s_set_gpr_idx_on [[IN]], src0{{$}}
; IDXMODE-NEXT: v_mov_b32_e32 v{{[0-9]+}}, [[BASEREG]]
; IDXMODE-NEXT: s_set_gpr_idx_off
define amdgpu_kernel void @extract_w_offset(float addrspace(1)* %out, i32 %in) {
entry:
  %idx = add i32 %in, 1
  %elt = extractelement <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, i32 %idx
  store float %elt, float addrspace(1)* %out
  ret void
}

; XXX: Could do v_or_b32 directly
; GCN-LABEL: {{^}}extract_w_offset_salu_use_vector:
; MOVREL: s_mov_b32 m0
; GCN-DAG: s_or_b32
; GCN-DAG: s_or_b32
; GCN-DAG: s_or_b32
; GCN-DAG: s_or_b32
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, s{{[0-9]+}}
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, s{{[0-9]+}}
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, s{{[0-9]+}}
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, s{{[0-9]+}}

; MOVREL: v_movrels_b32_e32

; IDXMODE: s_set_gpr_idx_on s{{[0-9]+}}, src0{{$}}
; IDXMODE-NEXT: v_mov_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}
; IDXMODE-NEXT: s_set_gpr_idx_off
define amdgpu_kernel void @extract_w_offset_salu_use_vector(i32 addrspace(1)* %out, i32 %in, <4 x i32> %or.val) {
entry:
  %idx = add i32 %in, 1
  %vec = or <4 x i32> %or.val, <i32 1, i32 2, i32 3, i32 4>
  %elt = extractelement <4 x i32> %vec, i32 %idx
  store i32 %elt, i32 addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}extract_wo_offset:
; GCN-DAG: s_load_dword [[IN:s[0-9]+]]
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 4.0
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x40400000
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 2.0
; GCN-DAG: v_mov_b32_e32 [[BASEREG:v[0-9]+]], 1.0

; MOVREL-DAG: s_mov_b32 m0, [[IN]]
; MOVREL: v_movrels_b32_e32 v{{[0-9]+}}, [[BASEREG]]

; IDXMODE: s_set_gpr_idx_on [[IN]], src0{{$}}
; IDXMODE-NEXT: v_mov_b32_e32 v{{[0-9]+}}, [[BASEREG]]
; IDXMODE-NEXT: s_set_gpr_idx_off
define amdgpu_kernel void @extract_wo_offset(float addrspace(1)* %out, i32 %in) {
entry:
  %elt = extractelement <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, i32 %in
  store float %elt, float addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}extract_neg_offset_sgpr:
; The offset depends on the register that holds the first element of the vector.
; MOVREL: s_add_i32 m0, s{{[0-9]+}}, 0xfffffe{{[0-9a-z]+}}
; MOVREL: v_movrels_b32_e32 v{{[0-9]}}, v0

; IDXMODE: s_addk_i32 [[ADD_IDX:s[0-9]+]], 0xfe00{{$}}
; IDXMODE: v_mov_b32_e32 v2, 2
; IDXMODE: v_mov_b32_e32 v3, 3
; IDXMODE-NEXT: s_set_gpr_idx_on [[ADD_IDX]], src0{{$}}
; IDXMODE-NEXT: v_mov_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}
; IDXMODE-NEXT: s_set_gpr_idx_off
define amdgpu_kernel void @extract_neg_offset_sgpr(i32 addrspace(1)* %out, i32 %offset) {
entry:
  %index = add i32 %offset, -512
  %value = extractelement <4 x i32> <i32 0, i32 1, i32 2, i32 3>, i32 %index
  store i32 %value, i32 addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}extract_neg_offset_sgpr_loaded:
; The offset depends on the register that holds the first element of the vector.
; MOVREL: s_add_i32 m0, s{{[0-9]+}}, 0xfffffe{{[0-9a-z]+}}
; MOVREL: v_movrels_b32_e32 v{{[0-9]}}, v0

; IDXMODE: s_addk_i32 [[ADD_IDX:s[0-9]+]], 0xfe00{{$}}
; IDXMODE: v_mov_b32_e32 v0,
; IDXMODE: v_mov_b32_e32 v1,
; IDXMODE: v_mov_b32_e32 v2,
; IDXMODE: v_mov_b32_e32 v3,
; IDXMODE-NEXT: s_set_gpr_idx_on [[ADD_IDX]], src0{{$}}
; IDXMODE-NEXT: v_mov_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}
; IDXMODE-NEXT: s_set_gpr_idx_off
define amdgpu_kernel void @extract_neg_offset_sgpr_loaded(i32 addrspace(1)* %out, <4 x i32> %vec0, <4 x i32> %vec1, i32 %offset) {
entry:
  %index = add i32 %offset, -512
  %or = or <4 x i32> %vec0, %vec1
  %value = extractelement <4 x i32> %or, i32 %index
  store i32 %value, i32 addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}extract_neg_offset_vgpr:
; The offset depends on the register that holds the first element of the vector.

; FIXME: The waitcnt for the argument load can go after the loop
; GCN: s_mov_b64 s{{\[[0-9]+:[0-9]+\]}}, exec
; GCN: [[LOOPBB:BB[0-9]+_[0-9]+]]:
; GCN: v_readfirstlane_b32 [[READLANE:s[0-9]+]], v{{[0-9]+}}
; GCN: s_and_saveexec_b64 vcc, vcc

; MOVREL: s_add_i32 m0, [[READLANE]], 0xfffffe0
; MOVREL: v_movrels_b32_e32 [[RESULT:v[0-9]+]], v1

; IDXMODE: s_addk_i32 [[ADD_IDX:s[0-9]+]], 0xfe00
; IDXMODE: s_set_gpr_idx_on [[ADD_IDX]], src0
; IDXMODE: v_mov_b32_e32 [[RESULT:v[0-9]+]], v1
; IDXMODE: s_set_gpr_idx_off

; GCN: s_cbranch_execnz

; GCN: buffer_store_dword [[RESULT]]
define amdgpu_kernel void @extract_neg_offset_vgpr(i32 addrspace(1)* %out) {
entry:
  %id = call i32 @llvm.amdgcn.workitem.id.x() #1
  %index = add i32 %id, -512
  %value = extractelement <4 x i32> <i32 0, i32 1, i32 2, i32 3>, i32 %index
  store i32 %value, i32 addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}extract_undef_offset_sgpr:
; undefined behavior, but shouldn't crash compiler
define amdgpu_kernel void @extract_undef_offset_sgpr(i32 addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
entry:
  %ld = load volatile <4 x i32>, <4  x i32> addrspace(1)* %in
  %value = extractelement <4 x i32> %ld, i32 undef
  store i32 %value, i32 addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}insert_undef_offset_sgpr_vector_src:
; undefined behavior, but shouldn't crash compiler
define amdgpu_kernel void @insert_undef_offset_sgpr_vector_src(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
entry:
  %ld = load <4 x i32>, <4  x i32> addrspace(1)* %in
  %value = insertelement <4 x i32> %ld, i32 5, i32 undef
  store <4 x i32> %value, <4 x i32> addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}insert_w_offset:
; GCN-DAG: s_load_dword [[IN:s[0-9]+]]
; MOVREL-DAG: s_mov_b32 m0, [[IN]]
; GCN-DAG: v_mov_b32_e32 v[[ELT0:[0-9]+]], 1.0
; GCN-DAG: v_mov_b32_e32 v[[ELT1:[0-9]+]], 2.0
; GCN-DAG: v_mov_b32_e32 v[[ELT2:[0-9]+]], 0x40400000
; GCN-DAG: v_mov_b32_e32 v[[ELT3:[0-9]+]], 4.0
; GCN-DAG: v_mov_b32_e32 v[[INS:[0-9]+]], 0x40a00000

; MOVREL: v_movreld_b32_e32 v[[ELT1]], v[[INS]]
; MOVREL: buffer_store_dwordx4 v{{\[}}[[ELT0]]:[[ELT3]]{{\]}}
define amdgpu_kernel void @insert_w_offset(<4 x float> addrspace(1)* %out, i32 %in) {
entry:
  %0 = add i32 %in, 1
  %1 = insertelement <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, float 5.0, i32 %0
  store <4 x float> %1, <4 x float> addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}insert_wo_offset:
; GCN: s_load_dword [[IN:s[0-9]+]]

; MOVREL: s_mov_b32 m0, [[IN]]
; MOVREL: v_movreld_b32_e32 v[[ELT0:[0-9]+]]

; IDXMODE: s_set_gpr_idx_on [[IN]], dst
; IDXMODE-NEXT: v_mov_b32_e32 v[[ELT0:[0-9]+]], v{{[0-9]+}}
; IDXMODE-NEXT: s_set_gpr_idx_off

; GCN: buffer_store_dwordx4 v{{\[}}[[ELT0]]:
define amdgpu_kernel void @insert_wo_offset(<4 x float> addrspace(1)* %out, i32 %in) {
entry:
  %0 = insertelement <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, float 5.0, i32 %in
  store <4 x float> %0, <4 x float> addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}insert_neg_offset_sgpr:
; The offset depends on the register that holds the first element of the vector.
; MOVREL: s_add_i32 m0, s{{[0-9]+}}, 0xfffffe{{[0-9a-z]+}}
; MOVREL: v_movreld_b32_e32 v0, 5

; IDXMODE: s_addk_i32 [[ADD_IDX:s[0-9]+]], 0xfe00{{$}}
; IDXMODE: s_set_gpr_idx_on [[ADD_IDX]], dst
; IDXMODE-NEXT: v_mov_b32_e32 v0, 5
; IDXMODE-NEXT: s_set_gpr_idx_off
define amdgpu_kernel void @insert_neg_offset_sgpr(i32 addrspace(1)* %in, <4 x i32> addrspace(1)* %out, i32 %offset) {
entry:
  %index = add i32 %offset, -512
  %value = insertelement <4 x i32> <i32 0, i32 1, i32 2, i32 3>, i32 5, i32 %index
  store <4 x i32> %value, <4 x i32> addrspace(1)* %out
  ret void
}

; The vector indexed into is originally loaded into an SGPR rather
; than built with a reg_sequence

; GCN-LABEL: {{^}}insert_neg_offset_sgpr_loadreg:
; The offset depends on the register that holds the first element of the vector.
; MOVREL: s_add_i32 m0, s{{[0-9]+}}, 0xfffffe{{[0-9a-z]+}}
; MOVREL: v_movreld_b32_e32 v0, 5

; IDXMODE: s_addk_i32 [[ADD_IDX:s[0-9]+]], 0xfe00{{$}}
; IDXMODE: s_set_gpr_idx_on [[ADD_IDX]], dst
; IDXMODE-NEXT: v_mov_b32_e32 v0, 5
; IDXMODE-NEXT: s_set_gpr_idx_off
define amdgpu_kernel void @insert_neg_offset_sgpr_loadreg(i32 addrspace(1)* %in, <4 x i32> addrspace(1)* %out, <4 x i32> %vec, i32 %offset) {
entry:
  %index = add i32 %offset, -512
  %value = insertelement <4 x i32> %vec, i32 5, i32 %index
  store <4 x i32> %value, <4 x i32> addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}insert_neg_offset_vgpr:
; The offset depends on the register that holds the first element of the vector.

; GCN-DAG: v_mov_b32_e32 [[VEC_ELT0:v[0-9]+]], 1{{$}}
; GCN-DAG: v_mov_b32_e32 [[VEC_ELT1:v[0-9]+]], 2{{$}}
; GCN-DAG: v_mov_b32_e32 [[VEC_ELT2:v[0-9]+]], 3{{$}}
; GCN-DAG: v_mov_b32_e32 [[VEC_ELT3:v[0-9]+]], 4{{$}}

; GCN: s_mov_b64 [[SAVEEXEC:s\[[0-9]+:[0-9]+\]]], exec
; GCN: [[LOOPBB:BB[0-9]+_[0-9]+]]:
; GCN: v_readfirstlane_b32 [[READLANE:s[0-9]+]]
; GCN: s_and_saveexec_b64 vcc, vcc

; MOVREL: s_add_i32 m0, [[READLANE]], 0xfffffe00
; MOVREL: v_movreld_b32_e32 [[VEC_ELT0]], 5

; IDXMODE: s_addk_i32 [[ADD_IDX:s[0-9]+]], 0xfe00{{$}}
; IDXMODE: s_set_gpr_idx_on [[ADD_IDX]], dst
; IDXMODE: v_mov_b32_e32 v{{[0-9]+}}, 5
; IDXMODE: s_set_gpr_idx_off

; GCN: s_cbranch_execnz [[LOOPBB]]
; GCN: s_mov_b64 exec, [[SAVEEXEC]]

; GCN: buffer_store_dword
define amdgpu_kernel void @insert_neg_offset_vgpr(i32 addrspace(1)* %in, <4 x i32> addrspace(1)* %out) {
entry:
  %id = call i32 @llvm.amdgcn.workitem.id.x() #1
  %index = add i32 %id, -512
  %value = insertelement <4 x i32> <i32 1, i32 2, i32 3, i32 4>, i32 5, i32 %index
  store <4 x i32> %value, <4 x i32> addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}insert_neg_inline_offset_vgpr:

; GCN-DAG: v_mov_b32_e32 [[VEC_ELT0:v[0-9]+]], 1{{$}}
; GCN-DAG: v_mov_b32_e32 [[VEC_ELT1:v[0-9]+]], 2{{$}}
; GCN-DAG: v_mov_b32_e32 [[VEC_ELT2:v[0-9]+]], 3{{$}}
; GCN-DAG: v_mov_b32_e32 [[VEC_ELT3:v[0-9]+]], 4{{$}}
; GCN-DAG: v_mov_b32_e32 [[VAL:v[0-9]+]], 0x1f4{{$}}

; GCN: s_mov_b64 [[SAVEEXEC:s\[[0-9]+:[0-9]+\]]], exec

; The offset depends on the register that holds the first element of the vector.
; GCN: v_readfirstlane_b32 [[READLANE:s[0-9]+]]

; MOVREL: s_add_i32 m0, [[READLANE]], -16
; MOVREL: v_movreld_b32_e32 [[VEC_ELT0]], [[VAL]]

; IDXMODE: s_add_i32 [[ADD_IDX:s[0-9]+]], [[READLANE]], -16
; IDXMODE: s_set_gpr_idx_on [[ADD_IDX]], dst
; IDXMODE: v_mov_b32_e32 [[VEC_ELT0]], [[VAL]]
; IDXMODE: s_set_gpr_idx_off

; GCN: s_cbranch_execnz
define amdgpu_kernel void @insert_neg_inline_offset_vgpr(i32 addrspace(1)* %in, <4 x i32> addrspace(1)* %out) {
entry:
  %id = call i32 @llvm.amdgcn.workitem.id.x() #1
  %index = add i32 %id, -16
  %value = insertelement <4 x i32> <i32 1, i32 2, i32 3, i32 4>, i32 500, i32 %index
  store <4 x i32> %value, <4 x i32> addrspace(1)* %out
  ret void
}

; When the block is split to insert the loop, make sure any other
; places that need to be expanded in the same block are also handled.

; GCN-LABEL: {{^}}extract_vgpr_offset_multiple_in_block:

; FIXME: Why is vector copied in between?

; GCN-DAG: {{buffer|flat|global}}_load_dword [[IDX0:v[0-9]+]]
; GCN-DAG: s_mov_b32 [[S_ELT1:s[0-9]+]], 9
; GCN-DAG: s_mov_b32 [[S_ELT0:s[0-9]+]], 7
; GCN-DAG: v_mov_b32_e32 [[VEC_ELT0:v[0-9]+]], [[S_ELT0]]
; GCN-DAG: v_mov_b32_e32 [[VEC_ELT1:v[0-9]+]], [[S_ELT1]]

; GCN: s_mov_b64 [[MASK:s\[[0-9]+:[0-9]+\]]], exec

; GCN: [[LOOP0:BB[0-9]+_[0-9]+]]:
; GCN-NEXT: s_waitcnt vmcnt(0)
; GCN-NEXT: v_readfirstlane_b32 [[READLANE:s[0-9]+]], [[IDX0]]
; GCN: v_cmp_eq_u32_e32 vcc, [[READLANE]], [[IDX0]]
; GCN: s_and_saveexec_b64 vcc, vcc

; MOVREL: s_mov_b32 m0, [[READLANE]]
; MOVREL: v_movrels_b32_e32 [[MOVREL0:v[0-9]+]], [[VEC_ELT0]]

; IDXMODE: s_set_gpr_idx_on [[READLANE]], src0
; IDXMODE: v_mov_b32_e32 [[MOVREL0:v[0-9]+]], [[VEC_ELT0]]
; IDXMODE: s_set_gpr_idx_off

; GCN-NEXT: s_xor_b64 exec, exec, vcc
; GCN-NEXT: s_cbranch_execnz [[LOOP0]]

; FIXME: Redundant copy
; GCN: s_mov_b64 exec, [[MASK]]

; GCN: v_mov_b32_e32 [[VEC_ELT1_2:v[0-9]+]], [[S_ELT1]]

; GCN: s_mov_b64 [[MASK2:s\[[0-9]+:[0-9]+\]]], exec

; GCN: [[LOOP1:BB[0-9]+_[0-9]+]]:
; GCN-NEXT: v_readfirstlane_b32 [[READLANE:s[0-9]+]], [[IDX0]]
; GCN: v_cmp_eq_u32_e32 vcc, [[READLANE]], [[IDX0]]
; GCN: s_and_saveexec_b64 vcc, vcc

; MOVREL: s_mov_b32 m0, [[READLANE]]
; MOVREL-NEXT: v_movrels_b32_e32 [[MOVREL1:v[0-9]+]], [[VEC_ELT1_2]]

; IDXMODE: s_set_gpr_idx_on [[READLANE]], src0
; IDXMODE-NEXT: v_mov_b32_e32 [[MOVREL1:v[0-9]+]], [[VEC_ELT1_2]]
; IDXMODE: s_set_gpr_idx_off

; GCN-NEXT: s_xor_b64 exec, exec, vcc
; GCN: s_cbranch_execnz [[LOOP1]]

; GCN: buffer_store_dword [[MOVREL0]]
; GCN: buffer_store_dword [[MOVREL1]]
define amdgpu_kernel void @extract_vgpr_offset_multiple_in_block(i32 addrspace(1)* %out0, i32 addrspace(1)* %out1, i32 addrspace(1)* %in) #0 {
entry:
  %id = call i32 @llvm.amdgcn.workitem.id.x() #1
  %id.ext = zext i32 %id to i64
  %gep = getelementptr inbounds i32, i32 addrspace(1)* %in, i64 %id.ext
  %idx0 = load volatile i32, i32 addrspace(1)* %gep
  %idx1 = add i32 %idx0, 1
  %val0 = extractelement <4 x i32> <i32 7, i32 9, i32 11, i32 13>, i32 %idx0
  %live.out.reg = call i32 asm sideeffect "s_mov_b32 $0, 17", "={s4}" ()
  %val1 = extractelement <4 x i32> <i32 7, i32 9, i32 11, i32 13>, i32 %idx1
  store volatile i32 %val0, i32 addrspace(1)* %out0
  store volatile i32 %val1, i32 addrspace(1)* %out0
  %cmp = icmp eq i32 %id, 0
  br i1 %cmp, label %bb1, label %bb2

bb1:
  store volatile i32 %live.out.reg, i32 addrspace(1)* undef
  br label %bb2

bb2:
  ret void
}

; GCN-LABEL: {{^}}insert_vgpr_offset_multiple_in_block:
; GCN-DAG: s_load_dwordx4 s{{\[}}[[S_ELT0:[0-9]+]]:[[S_ELT3:[0-9]+]]{{\]}}
; GCN-DAG: {{buffer|flat|global}}_load_dword [[IDX0:v[0-9]+]]
; GCN-DAG: v_mov_b32 [[INS0:v[0-9]+]], 62

; GCN-DAG: v_mov_b32_e32 v[[VEC_ELT3:[0-9]+]], s[[S_ELT3]]
; GCN: v_mov_b32_e32 v[[VEC_ELT2:[0-9]+]], s{{[0-9]+}}
; GCN: v_mov_b32_e32 v[[VEC_ELT1:[0-9]+]], s{{[0-9]+}}
; GCN: v_mov_b32_e32 v[[VEC_ELT0:[0-9]+]], s[[S_ELT0]]

; GCN: [[LOOP0:BB[0-9]+_[0-9]+]]:
; GCN-NEXT: s_waitcnt vmcnt(0)
; GCN-NEXT: v_readfirstlane_b32 [[READLANE:s[0-9]+]], [[IDX0]]
; GCN: v_cmp_eq_u32_e32 vcc, [[READLANE]], [[IDX0]]
; GCN: s_and_saveexec_b64 vcc, vcc

; MOVREL: s_mov_b32 m0, [[READLANE]]
; MOVREL-NEXT: v_movreld_b32_e32 v[[VEC_ELT0]], [[INS0]]

; IDXMODE: s_set_gpr_idx_on [[READLANE]], dst
; IDXMODE-NEXT: v_mov_b32_e32 v[[VEC_ELT0]], [[INS0]]
; IDXMODE: s_set_gpr_idx_off

; GCN-NEXT: s_xor_b64 exec, exec, vcc
; GCN: s_cbranch_execnz [[LOOP0]]

; FIXME: Redundant copy
; GCN: s_mov_b64 exec, [[MASK:s\[[0-9]+:[0-9]+\]]]

; GCN: s_mov_b64 [[MASK]], exec

; GCN: [[LOOP1:BB[0-9]+_[0-9]+]]:
; GCN-NEXT: v_readfirstlane_b32 [[READLANE:s[0-9]+]], [[IDX0]]
; GCN: v_cmp_eq_u32_e32 vcc, [[READLANE]], [[IDX0]]
; GCN: s_and_saveexec_b64 vcc, vcc

; MOVREL: s_mov_b32 m0, [[READLANE]]
; MOVREL-NEXT: v_movreld_b32_e32 v[[VEC_ELT1]], 63

; IDXMODE: s_set_gpr_idx_on [[READLANE]], dst
; IDXMODE-NEXT: v_mov_b32_e32 v[[VEC_ELT1]], 63
; IDXMODE: s_set_gpr_idx_off

; GCN-NEXT: s_xor_b64 exec, exec, vcc
; GCN: s_cbranch_execnz [[LOOP1]]

; GCN: buffer_store_dwordx4 v{{\[}}[[VEC_ELT0]]:

; GCN: buffer_store_dword [[INS0]]
define amdgpu_kernel void @insert_vgpr_offset_multiple_in_block(<4 x i32> addrspace(1)* %out0, <4 x i32> addrspace(1)* %out1, i32 addrspace(1)* %in, <4 x i32> %vec0) #0 {
entry:
  %id = call i32 @llvm.amdgcn.workitem.id.x() #1
  %id.ext = zext i32 %id to i64
  %gep = getelementptr inbounds i32, i32 addrspace(1)* %in, i64 %id.ext
  %idx0 = load volatile i32, i32 addrspace(1)* %gep
  %idx1 = add i32 %idx0, 1
  %live.out.val = call i32 asm sideeffect "v_mov_b32 $0, 62", "=v"()
  %vec1 = insertelement <4 x i32> %vec0, i32 %live.out.val, i32 %idx0
  %vec2 = insertelement <4 x i32> %vec1, i32 63, i32 %idx1
  store volatile <4 x i32> %vec2, <4 x i32> addrspace(1)* %out0
  %cmp = icmp eq i32 %id, 0
  br i1 %cmp, label %bb1, label %bb2

bb1:
  store volatile i32 %live.out.val, i32 addrspace(1)* undef
  br label %bb2

bb2:
  ret void
}


; GCN-LABEL: {{^}}insert_adjacent_blocks:
define amdgpu_kernel void @insert_adjacent_blocks(i32 %arg, float %val0) #0 {
bb:
  %tmp = icmp eq i32 %arg, 0
  br i1 %tmp, label %bb1, label %bb4

bb1:                                              ; preds = %bb
  %tmp2 = load volatile <4 x float>, <4 x float> addrspace(1)* undef
  %tmp3 = insertelement <4 x float> %tmp2, float %val0, i32 undef
  call void asm sideeffect "; reg use $0", "v"(<4 x float> %tmp3) #0 ; Prevent block optimize out
  br label %bb7

bb4:                                              ; preds = %bb
  %tmp5 = load volatile <4 x float>, <4 x float> addrspace(1)* undef
  %tmp6 = insertelement <4 x float> %tmp5, float %val0, i32 undef
  call void asm sideeffect "; reg use $0", "v"(<4 x float> %tmp6) #0 ; Prevent block optimize out
  br label %bb7

bb7:                                              ; preds = %bb4, %bb1
  %tmp8 = phi <4 x float> [ %tmp3, %bb1 ], [ %tmp6, %bb4 ]
  store volatile <4 x float> %tmp8, <4 x float> addrspace(1)* undef
  ret void
}

; FIXME: Should be able to fold zero input to movreld to inline imm?

; GCN-LABEL: {{^}}multi_same_block:

; GCN-DAG: v_mov_b32_e32 v[[VEC0_ELT0:[0-9]+]], 0x41880000
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x41900000
; GCN-DAG: v_mov_b32_e32 v[[VEC0_ELT2:[0-9]+]], 0x41980000
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x41a00000
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x41a80000
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x41b00000
; GCN-DAG: s_load_dword [[ARG:s[0-9]+]]
; IDXMODE-DAG: s_add_i32 [[ARG_ADD:s[0-9]+]], [[ARG]], -16

; MOVREL-DAG: s_add_i32 m0, [[ARG]], -16
; MOVREL: v_movreld_b32_e32 v[[VEC0_ELT0]], 4.0
; GCN-NOT: m0

; IDXMODE: s_set_gpr_idx_on [[ARG_ADD]], dst
; IDXMODE: v_mov_b32_e32 v[[VEC0_ELT0]], 4.0
; IDXMODE: s_set_gpr_idx_off

; GCN: v_mov_b32_e32 v[[VEC0_ELT2]], 0x4188cccd
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x4190cccd
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x4198cccd
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x41a0cccd
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x41a8cccd
; GCN-DAG: v_mov_b32_e32 v{{[0-9]+}}, 0x41b0cccd

; MOVREL: v_movreld_b32_e32 v[[VEC0_ELT2]], -4.0

; IDXMODE: s_set_gpr_idx_on [[ARG_ADD]], dst
; IDXMODE: v_mov_b32_e32 v[[VEC0_ELT2]], -4.0
; IDXMODE: s_set_gpr_idx_off

; PREGFX9: s_mov_b32 m0, -1
; GFX9-NOT: s_mov_b32 m0
; GCN: ds_write_b32
; GCN: ds_write_b32
; GCN: s_endpgm
define amdgpu_kernel void @multi_same_block(i32 %arg) #0 {
bb:
  %tmp1 = add i32 %arg, -16
  %tmp2 = insertelement <6 x float> <float 1.700000e+01, float 1.800000e+01, float 1.900000e+01, float 2.000000e+01, float 2.100000e+01, float 2.200000e+01>, float 4.000000e+00, i32 %tmp1
  %tmp3 = add i32 %arg, -16
  %tmp4 = insertelement <6 x float> <float 0x40311999A0000000, float 0x40321999A0000000, float 0x40331999A0000000, float 0x40341999A0000000, float 0x40351999A0000000, float 0x40361999A0000000>, float -4.0, i32 %tmp3
  %tmp5 = bitcast <6 x float> %tmp2 to <6 x i32>
  %tmp6 = extractelement <6 x i32> %tmp5, i32 1
  %tmp7 = bitcast <6 x float> %tmp4 to <6 x i32>
  %tmp8 = extractelement <6 x i32> %tmp7, i32 5
  store volatile i32 %tmp6, i32 addrspace(3)* undef, align 4
  store volatile i32 %tmp8, i32 addrspace(3)* undef, align 4
  ret void
}

; offset puts outside of superegister bounaries, so clamp to 1st element.
; GCN-LABEL: {{^}}extract_largest_inbounds_offset:
; GCN-DAG: buffer_load_dwordx4 v{{\[}}[[LO_ELT:[0-9]+]]:[[HI_ELT:[0-9]+]]{{\]}}
; GCN-DAG: s_load_dword [[IDX:s[0-9]+]]
; MOVREL: s_mov_b32 m0, [[IDX]]
; MOVREL: v_movrels_b32_e32 [[EXTRACT:v[0-9]+]], v[[HI_ELT]]

; IDXMODE: s_set_gpr_idx_on [[IDX]], src0
; IDXMODE: v_mov_b32_e32 [[EXTRACT:v[0-9]+]], v[[HI_ELT]]
; IDXMODE: s_set_gpr_idx_off

; GCN: buffer_store_dword [[EXTRACT]]
define amdgpu_kernel void @extract_largest_inbounds_offset(i32 addrspace(1)* %out, <4 x i32> addrspace(1)* %in, i32 %idx) {
entry:
  %ld = load volatile <4 x i32>, <4  x i32> addrspace(1)* %in
  %offset = add i32 %idx, 3
  %value = extractelement <4 x i32> %ld, i32 %offset
  store i32 %value, i32 addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}extract_out_of_bounds_offset:
; GCN-DAG: buffer_load_dwordx4 v{{\[}}[[LO_ELT:[0-9]+]]:[[HI_ELT:[0-9]+]]{{\]}}
; GCN-DAG: s_load_dword [[IDX:s[0-9]+]]
; MOVREL: s_add_i32 m0, [[IDX]], 4
; MOVREL: v_movrels_b32_e32 [[EXTRACT:v[0-9]+]], v[[LO_ELT]]

; IDXMODE: s_add_i32 [[ADD_IDX:s[0-9]+]], [[IDX]], 4
; IDXMODE: s_set_gpr_idx_on [[ADD_IDX]], src0
; IDXMODE: v_mov_b32_e32 [[EXTRACT:v[0-9]+]], v[[LO_ELT]]
; IDXMODE: s_set_gpr_idx_off

; GCN: buffer_store_dword [[EXTRACT]]
define amdgpu_kernel void @extract_out_of_bounds_offset(i32 addrspace(1)* %out, <4 x i32> addrspace(1)* %in, i32 %idx) {
entry:
  %ld = load volatile <4 x i32>, <4  x i32> addrspace(1)* %in
  %offset = add i32 %idx, 4
  %value = extractelement <4 x i32> %ld, i32 %offset
  store i32 %value, i32 addrspace(1)* %out
  ret void
}

; Test that the or is folded into the base address register instead of
; added to m0

; GCN-LABEL: {{^}}extractelement_v4i32_or_index:
; GCN: s_load_dword [[IDX_IN:s[0-9]+]]
; GCN: s_lshl_b32 [[IDX_SHL:s[0-9]+]], [[IDX_IN]]
; GCN-NOT: [[IDX_SHL]]

; MOVREL: s_mov_b32 m0, [[IDX_SHL]]
; MOVREL: v_movrels_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}

; IDXMODE: s_set_gpr_idx_on [[IDX_SHL]], src0
; IDXMODE: v_mov_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}
; IDXMODE: s_set_gpr_idx_off
define amdgpu_kernel void @extractelement_v4i32_or_index(i32 addrspace(1)* %out, <4 x i32> addrspace(1)* %in, i32 %idx.in) {
entry:
  %ld = load volatile <4 x i32>, <4  x i32> addrspace(1)* %in
  %idx.shl = shl i32 %idx.in, 2
  %idx = or i32 %idx.shl, 1
  %value = extractelement <4 x i32> %ld, i32 %idx
  store i32 %value, i32 addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}insertelement_v4f32_or_index:
; GCN: s_load_dword [[IDX_IN:s[0-9]+]]
; GCN: s_lshl_b32 [[IDX_SHL:s[0-9]+]], [[IDX_IN]]
; GCN-NOT: [[IDX_SHL]]

; MOVREL: s_mov_b32 m0, [[IDX_SHL]]
; MOVREL: v_movreld_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}

; IDXMODE: s_set_gpr_idx_on [[IDX_SHL]], dst
; IDXMODE: v_mov_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}
; IDXMODE: s_set_gpr_idx_off
define amdgpu_kernel void @insertelement_v4f32_or_index(<4 x float> addrspace(1)* %out, <4 x float> %a, i32 %idx.in) nounwind {
  %idx.shl = shl i32 %idx.in, 2
  %idx = or i32 %idx.shl, 1
  %vecins = insertelement <4 x float> %a, float 5.000000e+00, i32 %idx
  store <4 x float> %vecins, <4 x float> addrspace(1)* %out, align 16
  ret void
}

; GCN-LABEL: {{^}}broken_phi_bb:
; GCN: v_mov_b32_e32 [[PHIREG:v[0-9]+]], 8

; GCN: s_branch [[BB2:BB[0-9]+_[0-9]+]]

; GCN: {{^BB[0-9]+_[0-9]+}}:
; GCN: s_mov_b64 exec,

; GCN: [[BB2]]:
; GCN: v_cmp_le_i32_e32 vcc, s{{[0-9]+}}, [[PHIREG]]
; GCN: buffer_load_dword

; GCN: [[REGLOOP:BB[0-9]+_[0-9]+]]:
; MOVREL: v_movreld_b32_e32

; IDXMODE: s_set_gpr_idx_on
; IDXMODE: v_mov_b32_e32
; IDXMODE: s_set_gpr_idx_off

; GCN: s_cbranch_execnz [[REGLOOP]]
define amdgpu_kernel void @broken_phi_bb(i32 %arg, i32 %arg1) #0 {
bb:
  br label %bb2

bb2:                                              ; preds = %bb4, %bb
  %tmp = phi i32 [ 8, %bb ], [ %tmp7, %bb4 ]
  %tmp3 = icmp slt i32 %tmp, %arg
  br i1 %tmp3, label %bb4, label %bb8

bb4:                                              ; preds = %bb2
  %vgpr = load volatile i32, i32 addrspace(1)* undef
  %tmp5 = insertelement <8 x i32> undef, i32 undef, i32 %vgpr
  %tmp6 = insertelement <8 x i32> %tmp5, i32 %arg1, i32 %vgpr
  %tmp7 = extractelement <8 x i32> %tmp6, i32 0
  br label %bb2

bb8:                                              ; preds = %bb2
  ret void
}

declare i32 @llvm.amdgcn.workitem.id.x() #1
declare void @llvm.amdgcn.s.barrier() #2

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind convergent }